diff --git a/pom.xml b/pom.xml
index 1451815..3cbd4bf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>dev.lions.unionflow</groupId>
     <artifactId>unionflow-server-api</artifactId>
-    <version>1.0.8</version>
+    <version>1.0.9</version>
     <packaging>jar</packaging>
 
     <name>UnionFlow Server API</name>
diff --git a/src/main/java/dev/lions/unionflow/server/api/dto/organisation/response/OrganisationResponse.java b/src/main/java/dev/lions/unionflow/server/api/dto/organisation/response/OrganisationResponse.java
index 9d95704..e2594a0 100644
--- a/src/main/java/dev/lions/unionflow/server/api/dto/organisation/response/OrganisationResponse.java
+++ b/src/main/java/dev/lions/unionflow/server/api/dto/organisation/response/OrganisationResponse.java
@@ -91,4 +91,11 @@ public class OrganisationResponse extends BaseResponse {
     // ── Paramètres ─────────────────────────────
     private Boolean organisationPublique;
     private Boolean accepteNouveauxMembres;
+
+    // ── Conformité (Sprint 1 — Instr. BCEAO + OHADA) ─────────────────────
+    /** Référentiel comptable applicable : SYSCOHADA, SYCEBNL, PCSFD_UMOA. */
+    private String referentielComptable;
+
+    /** UUID du Compliance Officer désigné (Instr. BCEAO 001-03-2025). */
+    private UUID complianceOfficerId;
 }
diff --git a/src/test/java/dev/lions/unionflow/server/api/dto/organisation/response/OrganisationResponseTest.java b/src/test/java/dev/lions/unionflow/server/api/dto/organisation/response/OrganisationResponseTest.java
index ab6c069..e2803c4 100644
--- a/src/test/java/dev/lions/unionflow/server/api/dto/organisation/response/OrganisationResponseTest.java
+++ b/src/test/java/dev/lions/unionflow/server/api/dto/organisation/response/OrganisationResponseTest.java
@@ -52,4 +52,38 @@ class OrganisationResponseTest {
         r.setOrganisationParenteNom("Parent Org");
         assertThat(r.getOrganisationParenteNom()).isEqualTo("Parent Org");
     }
+
+    // ── Sprint 13 — Conformité (referentielComptable + complianceOfficerId) ─────
+
+    @Test
+    @DisplayName("referentielComptable null par défaut, builder + setter fonctionnent")
+    void referentielComptable_nullDefaultAndBuilderSetter() {
+        OrganisationResponse empty = OrganisationResponse.builder().build();
+        assertThat(empty.getReferentielComptable()).isNull();
+
+        OrganisationResponse builderSet = OrganisationResponse.builder()
+                .referentielComptable("SYCEBNL").build();
+        assertThat(builderSet.getReferentielComptable()).isEqualTo("SYCEBNL");
+
+        OrganisationResponse setterSet = OrganisationResponse.builder().build();
+        setterSet.setReferentielComptable("PCSFD_UMOA");
+        assertThat(setterSet.getReferentielComptable()).isEqualTo("PCSFD_UMOA");
+    }
+
+    @Test
+    @DisplayName("complianceOfficerId null par défaut, builder + setter fonctionnent")
+    void complianceOfficerId_nullDefaultAndBuilderSetter() {
+        OrganisationResponse empty = OrganisationResponse.builder().build();
+        assertThat(empty.getComplianceOfficerId()).isNull();
+
+        java.util.UUID id1 = java.util.UUID.randomUUID();
+        OrganisationResponse builderSet = OrganisationResponse.builder()
+                .complianceOfficerId(id1).build();
+        assertThat(builderSet.getComplianceOfficerId()).isEqualTo(id1);
+
+        java.util.UUID id2 = java.util.UUID.randomUUID();
+        OrganisationResponse setterSet = OrganisationResponse.builder().build();
+        setterSet.setComplianceOfficerId(id2);
+        assertThat(setterSet.getComplianceOfficerId()).isEqualTo(id2);
+    }
 }